Frequently Asked Questions

JavaScript is the most widely used programming language for the web. It is interpreted at runtime by the browser.

Functions are reusable blocks of code that perform specific task. They are the fundamental building blocks of the language.

E.g.:

function square(number) {
  return number * number;
}

In JavaScript, an array is a data structure used to store a collection of elements. These elements can be of any data type, like numbers, strings, objects, or even other arrays.

In JavaScript, objects are a fundamental data structure used to store collections of key-value pairs. Think of them as containers holding related data and functionality.